VS Revo RevoUninstaller IOCTL RevoDetector.sys IOCtl_Handler heap-based overflow

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Summary

CVECVE-2026-12193
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-15 00:16:43 UTC
Updated2026-06-15 00:16:43 UTC
DescriptionA vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 2.7.0 is sufficient to fix this issue. It is recommended to upgrade the affected component.

Risk And Classification

Primary CVSS: v4.0 7.1 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-119 | CWE-122 | CWE-122 Heap-based Buffer Overflow | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.1HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED8.5HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
3.0CNADECLARED7.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
2.0[email protected]Secondary6.8AV:L/AC:L/Au:S/C:C/I:C/A:C
2.0CNADECLARED6.8AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VS Revo RevoUninstaller affected 2.5.* Not specified
CNA VS Revo RevoUninstaller affected 2.6.* Not specified
CNA VS Revo RevoUninstaller unaffected 2.7.0 Not specified

References

ReferenceSourceLinkTags
youtu.be/JR0KPjWRTns [email protected] youtu.be
vuldb.com/vuln/370839 [email protected] vuldb.com
jordanhiggins.blog/revouninstaller-pool-overflow-exploit [email protected] jordanhiggins.blog
vuldb.com/cve/CVE-2026-12193 [email protected] vuldb.com
vandalsuidaho-my.sharepoint.com/:w:/g/personal/higg2059_vandals_uidaho_edu/IQAMHgdfpRAkSqDsoF... [email protected] vandalsuidaho-my.sharepoint.com
vuldb.com/submit/829133 [email protected] vuldb.com
vuldb.com/submit/829132 [email protected] vuldb.com
vuldb.com/vuln/370839/cti [email protected] vuldb.com
github.com/Kalagious/RevoDetectorExploit/tree/master [email protected] github.com
www.revouninstaller.com/start-freeware-download [email protected] www.revouninstaller.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jordanhiggins (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-14T00:00:00.000ZAdvisory disclosed
CNA2026-06-14T02:00:00.000ZVulDB entry created
CNA2026-06-14T09:00:40.000ZVulDB entry last update
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